Security Engineer - Network & Cybersecurity

Role: Security Engineer - Network & Cybersecurity

Location: Redhill, Surrey

Salary: £50,000 + Benefits

Type: Full-Time, Permanent

Industry: Secure Communications / Satellite Communications

Working Pattern: Full-time, Permanent

Reporting To: Head of Network Infrastructure / Security Operations

Working arrangement: Fully onsite in Redhill for the first six months. After this, up to six remote working days per month may be available.

A specialist secure communications organisation is looking for an experienced Security Engineer to take responsibility for the through-life cybersecurity of its internal and customer networks.

This is a hands-on position requiring strong Cisco and Juniper network security experience, alongside practical knowledge of SIEM, IDS/IPS, vulnerability management, penetration testing and incident response.

The successful candidate will act as a key technical authority for network and device security, supporting internal engineering teams and customers operating within secure, international communications environments.

Key Responsibilities:

• Act as a technical centre of excellence for network and device security.
• Develop and implement information security plans, policies, procedures and technical controls.
• Design, build, test, commission and troubleshoot security solutions across internal and customer networks.
• Configure and support Cisco firewalls, routers and switches, alongside Juniper network platforms.
• Deploy and manage SIEM, IDS/IPS and other network security technologies.
• Monitor network activity, security alerts and third-party intelligence to provide an accurate view of current threats and vulnerabilities.
• Investigate and resolve security incidents raised by employees, customers, monitoring tools and external security partners.
• Take ownership of cybersecurity issues and drive them through to satisfactory resolution.
• Conduct vulnerability assessments and recommend appropriate technical and procedural improvements.
• Support penetration-testing activities and evaluate the findings of security assessments.
• Provide third-line technical support for complex network security incidents.
• Advise on the secure design and management of internal, customer and global networks.
• Develop and maintain security policies, procedures, technical standards and operational guidelines.
• Produce network diagrams, configuration documentation, support guides and incident records.
• Work closely with IT, Enterprise Engineering, Hub Engineering, compliance teams, customers, manufacturers and suppliers.
• Train and support colleagues in cybersecurity awareness, threat management and secure operational practices.
• Assist with maintenance planning, service outages and urgent out-of-hours incidents when required.

What We’re Looking For:

Essential Experience:

• At least five years of hands-on experience across multiple networks, including designing and managing secure network environments.
• Strong practical experience with Cisco firewalls, routers and switches.
• Hands-on experience working with Juniper network platforms.
• Experience designing, implementing or supporting SIEM and IDS/IPS solutions.
• Practical knowledge of vulnerability management and remediation.
• Experience using or supporting penetration-testing tools.
• Knowledge of computer-forensics tools and incident-investigation processes.
• Good understanding of ISO 27001, GDPR and recognised information security practices.
• Experience developing and maintaining security policies, procedures, standards and technical documentation.
• Ability to troubleshoot complex network security problems and provide effective third-line support.
• Strong customer-support skills, including the ability to explain technical security issues to customers, colleagues and senior management.
• Proactive, organised and able to take ownership of competing priorities.
• Willingness to provide emergency or out-of-hours support when necessary.

Desirable Criteria:

• Telecommunications, satellite communications, VSAT or maritime communications experience.
• Experience supporting UK government, MOD or other highly secure networks.
• Relevant cybersecurity or networking certifications.
• Experience supporting international customer networks or secure communications infrastructure.

Mandatory Eligibility Requirements:

Due to the nature of the organisation’s work and secure customer base, candidates must meet the following criteria:

• Must come from a NATO country background.
• Must have lived and worked in the UK for the most recent 5 consecutive years.
• Must be eligible and willing to undergo UK security vetting, including SC or DV where required.
• Be able to work fully onsite in Redhill for the first six months.

Package & Benefits:

• Salary of £50,000 + benefits.

• Company laptop and mobile phone provided.

• Opportunity to work on advanced secure satellite communications and global network infrastructure.

• Direct engagement with specialist engineers, enterprise suppliers, and high-security government clients.

• Long-term career opportunity within a specialist technical security environment.

Application Process: To apply, please submit your CV detailing your relevant security engineering, data communications, IP networking, firewall, and secure infrastructure experience. Applications will be reviewed on a rolling basis, so early submissions are encouraged.

Equal Opportunity Employer: We value diversity and are committed to creating an inclusive work environment. We encourage applicants from all backgrounds to apply, provided the role-specific eligibility requirements are met.

Contact: Elvis Eckardt